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Finding the Fourth Proportional to 350,927.16, 483,710.72 and 274,310.88

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Solution

The fourth proportional to 350,927.16, 483,710.72 and 274,310.88 is: 378,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,927.16 : 483,710.72 = 274,310.88 : x
  2. Step 2: Convert to fraction form
    350,927.16/483,710.72 = 274,310.88/x
  3. Step 3: Cross multiply
    350,927.16x = 483,710.72 × 274,310.88
  4. Step 4: Simplify right side
    350,927.16x = 132,687,113,268.63
  5. Step 5: Solve for x
    x = 132,687,113,268.63/350,927.16
  6. Step 6: Final answer
    x = 378,104.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.